.w {
    width: 80%;
    max-width: 1360px;
    margin:  0 auto;
}
.warpBox {
    min-height: 100vh;
    background-repeat: repeat-y;
    background-size: 100%;
    background-image: url(../images/img/about_bg.png);
    padding-bottom: 9.2857rem;
}
.content_1 {
    padding-top: 2.5rem;
    font-size: 14px;
    line-height: 18px;
}
.w {
    width: 80%;
    max-width: 1200px;
    margin:  0 auto;
}
.warpBox {
    min-height: 100vh;
    background-repeat: repeat-y;
    background-size: 100%;
    background-image: url(../images/img/about_bg.png);
    padding-bottom: 9.2857rem;
}
.content_1 {
    padding-top: 3.5rem;
    font-size: 14px;
    line-height: 18px;
}
.content_2 {
    justify-content: space-between;
}
.content_2 .item {
    position: relative;
    width: 48%;
    max-width: 596px;
    min-height: 350px;
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 4.1429rem;
    background-color: #eee;
    border: 1px solid #aaa;
    padding: 24px 12px 40px 22px;
}
.content_2 .item:hover {
    border: 1px solid #eb6100;
}
.content_2 .item p {
    margin: 8px 0;
}
.content_2 .tisp {
    cursor: pointer;
    color: #eb6100;
    border-bottom: 2px solid #eb6100;
    position: absolute;
    bottom: 1.4rem;
    left: 24px;
}
.content_4 {
    width: 100%;
    height: 100%;
}
.maskBox {
    display: none;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    position: fixed;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
}
.maskBox .content {
    max-width: 975px;
    max-height: 975px;
    background-color: #fff;
    width: 90%;
    height: 90vh;
    padding: 0 55px;
    padding-top: 5.7143rem;
    margin: auto;
    font-family: iconFont;
    position: relative;
}
.maskBox .content>div:nth-of-type(1)>div:nth-of-type(1) {
    width: 100%;
    padding: 2.1429rem 0.3571rem 2.8571rem 1.7857rem;
    border: 1px solid #aaa;
    background-color: #e5e5e5;
}
.maskBox .box p:nth-of-type(1) {
    margin-bottom: 1rem;
}
.maskBox .close {
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 30px;
}
.maskBox .poit {
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.8571rem;
    position: absolute;
    width: 4.1429rem;
    height: 4.1429rem;
    background-color: #fff;
    border-radius: 50%;
}
.maskBox .txtBox {
    font-weight: 2.1429rem;
}
.maskBox .txtBox>p:nth-of-type(1) {
    margin-top: 2rem;
    color: #c83704;
    font-size: 1.1429rem;
}
.maskBox .txtBox>p {
    margin-bottom: 0.8571rem;
}
.maskBox .left {
    top: 50%;
    left: -80px;
}
.maskBox .right {
    top: 50%;
    right: -80px;
}

/* .mask {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
} */